Chemistry - Non-Metals and Their Compounds

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Question - 1

Consider the following statements

1.Nitrogen combines with metal to form nitride.

2.NO is formed on lightning.

3.HNO3 cannot be used as nitrogen fertilizer.

Which of the statement(s) given above statements is/are correct?

  • A Only 1
  • B 2 and 3
  • C 1 and 3
  • D All of these

Question - 2

Helium is perferred to hydrogen in air ballons because it

  • A is cheaper
  • B is less dense
  • C has greater lifing power
  • D does not form an explosive mixture with air

Question - 3

Consider the following statements regarding diamond

1.It is an allotrope of silicon.

2.It is a bad conductor of heat and electricity.

3.It is the hardest  substance.

4.It burns to produce carbon dioxide.

Which of the statements given above are correct?

  • A 1,2,3 and 4
  • B 2,3 and 4
  • C 1 and 2
  • D 1,3 and 4

Question - 4

Sugar of lead is 

  • A PbCl2
  • B PbSO4
  • C Pb(CH3COO)2
  • D PbCO3

Question - 5

Which one of the following noble gases is not found in the atmosphere?

  • A Argon
  • B Krypton
  • C Radon
  • D Xenon

Question - 6

Consider the following statements

1.Non-metals are neither malleable nor ductile.

2.Non-metals are bad conductors of heat and electricity except for graphite, which conducts electricity.

3.Non-metals from negatively charged ions by gaining electrons when reacting with metals.

Which of the statements given above are correct?

  • A 1 and 2
  • B 1 and 3
  • C 2 and 3
  • D 1,2 and 3

Question - 7

Calgon (Sodium metaphosphate) finds application as

  • A artificial jewel
  • B paint
  • C a resin
  • D washing powder

Question - 8

Yellow Coloyr of usual nitric acid is due to the presence one of the following?

  • A N2O
  • B NO
  • C N2O5
  • D NO2

Question - 9

Lead is soluble in 

  • A CH3COOH
  • B H2SO4
  • C Hcl
  • D HNO3

Question - 10

Assertion (A) SO2 is a bleaching agent.

Reason (R) Nascent oxygen causes bleaching.

  • A Both A and R are true and R is the correct explanation of A
  • B Both A and R are true, but R is not the correct explanation of A
  • C A is true but R is false
  • D A is false but R is true
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